android_view_GLES20Canvas.cpp revision ada830f639591b99c3e40de22b07296c7932a33f
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#define LOG_TAG "OpenGLRenderer" 18 19#include "jni.h" 20#include "GraphicsJNI.h" 21#include <nativehelper/JNIHelp.h> 22#include <android_runtime/AndroidRuntime.h> 23#include <utils/ResourceTypes.h> 24 25#include <SkBitmap.h> 26#include <SkCanvas.h> 27#include <SkMatrix.h> 28#include <SkPaint.h> 29#include <SkRegion.h> 30#include <SkScalerContext.h> 31#include <SkTemplates.h> 32#include <SkXfermode.h> 33 34#include <DisplayListRenderer.h> 35#include <LayerRenderer.h> 36#include <OpenGLDebugRenderer.h> 37#include <OpenGLRenderer.h> 38#include <SkiaShader.h> 39#include <SkiaColorFilter.h> 40#include <Rect.h> 41 42#include "TextLayout.h" 43 44namespace android { 45 46using namespace uirenderer; 47 48/** 49 * Note: OpenGLRenderer JNI layer is generated and compiled only on supported 50 * devices. This means all the logic must be compiled only when the 51 * preprocessor variable USE_OPENGL_RENDERER is defined. 52 */ 53#ifdef USE_OPENGL_RENDERER 54 55/////////////////////////////////////////////////////////////////////////////// 56// Defines 57/////////////////////////////////////////////////////////////////////////////// 58 59// Debug 60#define DEBUG_RENDERER 0 61#define PROFILE_RENDERER 0 62 63// Debug 64#if DEBUG_RENDERER 65 #define RENDERER_LOGD(...) LOGD(__VA_ARGS__) 66#else 67 #define RENDERER_LOGD(...) 68#endif 69 70// ---------------------------------------------------------------------------- 71 72static struct { 73 jclass clazz; 74 jmethodID set; 75} gRectClassInfo; 76 77// ---------------------------------------------------------------------------- 78// Constructors 79// ---------------------------------------------------------------------------- 80 81static OpenGLRenderer* android_view_GLES20Canvas_createRenderer(JNIEnv* env, jobject clazz) { 82 RENDERER_LOGD("Create OpenGLRenderer"); 83#if PROFILE_RENDERER 84 return new OpenGLDebugRenderer; 85#else 86 return new OpenGLRenderer; 87#endif 88} 89 90static void android_view_GLES20Canvas_destroyRenderer(JNIEnv* env, jobject clazz, 91 OpenGLRenderer* renderer) { 92 RENDERER_LOGD("Destroy OpenGLRenderer"); 93 delete renderer; 94} 95 96// ---------------------------------------------------------------------------- 97// Setup 98// ---------------------------------------------------------------------------- 99 100static void android_view_GLES20Canvas_setViewport(JNIEnv* env, jobject canvas, 101 OpenGLRenderer* renderer, jint width, jint height) { 102 renderer->setViewport(width, height); 103} 104 105static void android_view_GLES20Canvas_prepare(JNIEnv* env, jobject canvas, 106 OpenGLRenderer* renderer, jboolean opaque) { 107 renderer->prepare(opaque); 108} 109 110static void android_view_GLES20Canvas_finish(JNIEnv* env, jobject canvas, 111 OpenGLRenderer* renderer) { 112 renderer->finish(); 113} 114 115static void android_view_GLES20Canvas_acquireContext(JNIEnv* env, jobject canvas, 116 OpenGLRenderer* renderer) { 117 renderer->acquireContext(); 118} 119 120static void android_view_GLES20Canvas_releaseContext(JNIEnv* env, jobject canvas, 121 OpenGLRenderer* renderer) { 122 renderer->releaseContext(); 123} 124 125// ---------------------------------------------------------------------------- 126// State 127// ---------------------------------------------------------------------------- 128 129static jint android_view_GLES20Canvas_save(JNIEnv* env, jobject canvas, OpenGLRenderer* renderer, 130 jint flags) { 131 return renderer->save(flags); 132} 133 134static jint android_view_GLES20Canvas_getSaveCount(JNIEnv* env, jobject canvas, 135 OpenGLRenderer* renderer) { 136 return renderer->getSaveCount(); 137} 138 139static void android_view_GLES20Canvas_restore(JNIEnv* env, jobject canvas, 140 OpenGLRenderer* renderer) { 141 renderer->restore(); 142} 143 144static void android_view_GLES20Canvas_restoreToCount(JNIEnv* env, jobject canvas, 145 OpenGLRenderer* renderer, jint saveCount) { 146 renderer->restoreToCount(saveCount); 147} 148 149// ---------------------------------------------------------------------------- 150// Layers 151// ---------------------------------------------------------------------------- 152 153static jint android_view_GLES20Canvas_saveLayer(JNIEnv* env, jobject canvas, 154 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 155 SkPaint* paint, jint saveFlags) { 156 return renderer->saveLayer(left, top, right, bottom, paint, saveFlags); 157} 158 159static jint android_view_GLES20Canvas_saveLayerAlpha(JNIEnv* env, jobject canvas, 160 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 161 jint alpha, jint saveFlags) { 162 return renderer->saveLayerAlpha(left, top, right, bottom, alpha, saveFlags); 163} 164 165// ---------------------------------------------------------------------------- 166// Clipping 167// ---------------------------------------------------------------------------- 168 169static bool android_view_GLES20Canvas_quickReject(JNIEnv* env, jobject canvas, 170 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 171 SkCanvas::EdgeType edge) { 172 return renderer->quickReject(left, top, right, bottom); 173} 174 175static bool android_view_GLES20Canvas_clipRectF(JNIEnv* env, jobject canvas, 176 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 177 SkRegion::Op op) { 178 return renderer->clipRect(left, top, right, bottom, op); 179} 180 181static bool android_view_GLES20Canvas_clipRect(JNIEnv* env, jobject canvas, 182 OpenGLRenderer* renderer, jint left, jint top, jint right, jint bottom, 183 SkRegion::Op op) { 184 return renderer->clipRect(float(left), float(top), float(right), float(bottom), op); 185} 186 187static bool android_view_GLES20Canvas_getClipBounds(JNIEnv* env, jobject canvas, 188 OpenGLRenderer* renderer, jobject rect) { 189 const android::uirenderer::Rect& bounds(renderer->getClipBounds()); 190 191 env->CallVoidMethod(rect, gRectClassInfo.set, 192 int(bounds.left), int(bounds.top), int(bounds.right), int(bounds.bottom)); 193 194 return !bounds.isEmpty(); 195} 196 197// ---------------------------------------------------------------------------- 198// Transforms 199// ---------------------------------------------------------------------------- 200 201static void android_view_GLES20Canvas_translate(JNIEnv* env, jobject canvas, 202 OpenGLRenderer* renderer, jfloat dx, jfloat dy) { 203 renderer->translate(dx, dy); 204} 205 206static void android_view_GLES20Canvas_rotate(JNIEnv* env, jobject canvas, 207 OpenGLRenderer* renderer, jfloat degrees) { 208 renderer->rotate(degrees); 209} 210 211static void android_view_GLES20Canvas_scale(JNIEnv* env, jobject canvas, 212 OpenGLRenderer* renderer, jfloat sx, jfloat sy) { 213 renderer->scale(sx, sy); 214} 215 216static void android_view_GLES20Canvas_setMatrix(JNIEnv* env, jobject canvas, 217 OpenGLRenderer* renderer, SkMatrix* matrix) { 218 renderer->setMatrix(matrix); 219} 220 221static const float* android_view_GLES20Canvas_getNativeMatrix(JNIEnv* env, 222 jobject canvas, OpenGLRenderer* renderer) { 223 return renderer->getMatrix(); 224} 225 226static void android_view_GLES20Canvas_getMatrix(JNIEnv* env, jobject canvas, 227 OpenGLRenderer* renderer, SkMatrix* matrix) { 228 renderer->getMatrix(matrix); 229} 230 231static void android_view_GLES20Canvas_concatMatrix(JNIEnv* env, jobject canvas, 232 OpenGLRenderer* renderer, SkMatrix* matrix) { 233 renderer->concatMatrix(matrix); 234} 235 236// ---------------------------------------------------------------------------- 237// Drawing 238// ---------------------------------------------------------------------------- 239 240static void android_view_GLES20Canvas_drawBitmap(JNIEnv* env, jobject canvas, 241 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, float left, 242 float top, SkPaint* paint) { 243 // This object allows the renderer to allocate a global JNI ref to the buffer object. 244 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 245 246 renderer->drawBitmap(bitmap, left, top, paint); 247} 248 249static void android_view_GLES20Canvas_drawBitmapRect(JNIEnv* env, jobject canvas, 250 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, 251 float srcLeft, float srcTop, float srcRight, float srcBottom, 252 float dstLeft, float dstTop, float dstRight, float dstBottom, SkPaint* paint) { 253 // This object allows the renderer to allocate a global JNI ref to the buffer object. 254 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 255 256 renderer->drawBitmap(bitmap, srcLeft, srcTop, srcRight, srcBottom, 257 dstLeft, dstTop, dstRight, dstBottom, paint); 258} 259 260static void android_view_GLES20Canvas_drawBitmapMatrix(JNIEnv* env, jobject canvas, 261 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, SkMatrix* matrix, 262 SkPaint* paint) { 263 // This object allows the renderer to allocate a global JNI ref to the buffer object. 264 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 265 266 renderer->drawBitmap(bitmap, matrix, paint); 267} 268 269static void android_view_GLES20Canvas_drawPatch(JNIEnv* env, jobject canvas, 270 OpenGLRenderer* renderer, SkBitmap* bitmap, jbyteArray buffer, jbyteArray chunks, 271 float left, float top, float right, float bottom, SkPaint* paint) { 272 // This object allows the renderer to allocate a global JNI ref to the buffer object. 273 JavaHeapBitmapRef bitmapRef(env, bitmap, buffer); 274 275 jbyte* storage = env->GetByteArrayElements(chunks, NULL); 276 Res_png_9patch* patch = reinterpret_cast<Res_png_9patch*>(storage); 277 Res_png_9patch::deserialize(patch); 278 279 renderer->drawPatch(bitmap, &patch->xDivs[0], &patch->yDivs[0], 280 &patch->colors[0], patch->numXDivs, patch->numYDivs, patch->numColors, 281 left, top, right, bottom, paint); 282 283 env->ReleaseByteArrayElements(chunks, storage, 0); 284} 285 286static void android_view_GLES20Canvas_drawColor(JNIEnv* env, jobject canvas, 287 OpenGLRenderer* renderer, jint color, SkXfermode::Mode mode) { 288 renderer->drawColor(color, mode); 289} 290 291static void android_view_GLES20Canvas_drawRect(JNIEnv* env, jobject canvas, 292 OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom, 293 SkPaint* paint) { 294 renderer->drawRect(left, top, right, bottom, paint); 295} 296 297static void android_view_GLES20Canvas_drawRects(JNIEnv* env, jobject canvas, 298 OpenGLRenderer* renderer, SkRegion* region, SkPaint* paint) { 299 SkRegion::Iterator it(*region); 300 while (!it.done()) { 301 const SkIRect& r = it.rect(); 302 renderer->drawRect(r.fLeft, r.fTop, r.fRight, r.fBottom, paint); 303 it.next(); 304 } 305} 306 307static void android_view_GLES20Canvas_drawPath(JNIEnv* env, jobject canvas, 308 OpenGLRenderer* renderer, SkPath* path, SkPaint* paint) { 309 renderer->drawPath(path, paint); 310} 311 312static void android_view_GLES20Canvas_drawLines(JNIEnv* env, jobject canvas, 313 OpenGLRenderer* renderer, jfloatArray points, jint offset, jint count, SkPaint* paint) { 314 jfloat* storage = env->GetFloatArrayElements(points, NULL); 315 316 renderer->drawLines(storage + offset, count, paint); 317 318 env->ReleaseFloatArrayElements(points, storage, 0); 319} 320 321// ---------------------------------------------------------------------------- 322// Shaders and color filters 323// ---------------------------------------------------------------------------- 324 325static void android_view_GLES20Canvas_resetModifiers(JNIEnv* env, jobject canvas, 326 OpenGLRenderer* renderer) { 327 renderer->resetShader(); 328 renderer->resetColorFilter(); 329 renderer->resetShadow(); 330} 331 332static void android_view_GLES20Canvas_setupShader(JNIEnv* env, jobject canvas, 333 OpenGLRenderer* renderer, SkiaShader* shader) { 334 renderer->setupShader(shader); 335} 336 337static void android_view_GLES20Canvas_setupColorFilter(JNIEnv* env, jobject canvas, 338 OpenGLRenderer* renderer, SkiaColorFilter* filter) { 339 renderer->setupColorFilter(filter); 340} 341 342static void android_view_GLES20Canvas_setupShadow(JNIEnv* env, jobject canvas, 343 OpenGLRenderer* renderer, jfloat radius, jfloat dx, jfloat dy, jint color) { 344 renderer->setupShadow(radius, dx, dy, color); 345} 346 347// ---------------------------------------------------------------------------- 348// Text 349// ---------------------------------------------------------------------------- 350 351static void renderText(OpenGLRenderer* renderer, const jchar* text, int count, 352 jfloat x, jfloat y, int flags, SkPaint* paint) { 353 const jchar *workText; 354 jchar* buffer = NULL; 355 int32_t workBytes; 356 if (TextLayout::prepareText(paint, text, count, flags, &workText, &workBytes, &buffer)) { 357 renderer->drawText((const char*) workText, workBytes, count, x, y, paint); 358 free(buffer); 359 } 360} 361 362static void renderTextRun(OpenGLRenderer* renderer, const jchar* text, 363 jint start, jint count, jint contextCount, jfloat x, jfloat y, 364 int flags, SkPaint* paint) { 365 uint8_t rtl = flags & 0x1; 366 if (rtl) { 367 SkAutoSTMalloc<80, jchar> buffer(contextCount); 368 jchar* shaped = buffer.get(); 369 if (TextLayout::prepareRtlTextRun(text, start, count, contextCount, shaped)) { 370 renderer->drawText((const char*) shaped, count << 1, count, x, y, paint); 371 } else { 372 LOGW("drawTextRun error"); 373 } 374 } else { 375 renderer->drawText((const char*) (text + start), count << 1, count, x, y, paint); 376 } 377} 378 379static void android_view_GLES20Canvas_drawTextArray(JNIEnv* env, jobject canvas, 380 OpenGLRenderer* renderer, jcharArray text, int index, int count, 381 jfloat x, jfloat y, int flags, SkPaint* paint) { 382 jchar* textArray = env->GetCharArrayElements(text, NULL); 383 renderText(renderer, textArray + index, count, x, y, flags, paint); 384 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 385} 386 387static void android_view_GLES20Canvas_drawText(JNIEnv* env, jobject canvas, 388 OpenGLRenderer* renderer, jstring text, int start, int end, 389 jfloat x, jfloat y, int flags, SkPaint* paint) { 390 const jchar* textArray = env->GetStringChars(text, NULL); 391 renderText(renderer, textArray + start, end - start, x, y, flags, paint); 392 env->ReleaseStringChars(text, textArray); 393} 394 395static void android_view_GLES20Canvas_drawTextRunArray(JNIEnv* env, jobject canvas, 396 OpenGLRenderer* renderer, jcharArray text, int index, int count, 397 int contextIndex, int contextCount, jfloat x, jfloat y, int dirFlags, 398 SkPaint* paint) { 399 jchar* textArray = env->GetCharArrayElements(text, NULL); 400 renderTextRun(renderer, textArray + contextIndex, index - contextIndex, 401 count, contextCount, x, y, dirFlags, paint); 402 env->ReleaseCharArrayElements(text, textArray, JNI_ABORT); 403 } 404 405static void android_view_GLES20Canvas_drawTextRun(JNIEnv* env, jobject canvas, 406 OpenGLRenderer* renderer, jstring text, int start, int end, 407 int contextStart, int contextEnd, jfloat x, jfloat y, int dirFlags, 408 SkPaint* paint) { 409 const jchar* textArray = env->GetStringChars(text, NULL); 410 jint count = end - start; 411 jint contextCount = contextEnd - contextStart; 412 renderTextRun(renderer, textArray + contextStart, start - contextStart, 413 count, contextCount, x, y, dirFlags, paint); 414 env->ReleaseStringChars(text, textArray); 415} 416 417// ---------------------------------------------------------------------------- 418// Display lists 419// ---------------------------------------------------------------------------- 420 421static DisplayList* android_view_GLES20Canvas_getDisplayList(JNIEnv* env, 422 jobject canvas, DisplayListRenderer* renderer) { 423 return renderer->getDisplayList(); 424} 425 426static OpenGLRenderer* android_view_GLES20Canvas_getDisplayListRenderer(JNIEnv* env, 427 jobject clazz, DisplayListRenderer* renderer) { 428 if (renderer == NULL) { 429 renderer = new DisplayListRenderer; 430 } else { 431 renderer->reset(); 432 } 433 return renderer; 434} 435 436static void android_view_GLES20Canvas_destroyDisplayList(JNIEnv* env, 437 jobject clazz, DisplayList* displayList) { 438 delete displayList; 439} 440 441static void android_view_GLES20Canvas_drawDisplayList(JNIEnv* env, 442 jobject canvas, OpenGLRenderer* renderer, DisplayList* displayList) { 443 renderer->drawDisplayList(displayList); 444} 445 446// ---------------------------------------------------------------------------- 447// Layers 448// ---------------------------------------------------------------------------- 449 450static void android_view_GLES20Canvas_interrupt(JNIEnv* env, jobject canvas, 451 OpenGLRenderer* renderer) { 452 renderer->interrupt(); 453} 454 455static void android_view_GLES20Canvas_resume(JNIEnv* env, jobject canvas, 456 OpenGLRenderer* renderer) { 457 renderer->resume(); 458} 459 460static OpenGLRenderer* android_view_GLES20Canvas_createLayerRenderer(JNIEnv* env, 461 jobject clazz, Layer* layer) { 462 if (layer) { 463 return new LayerRenderer(layer); 464 } 465 return NULL; 466} 467 468static Layer* android_view_GLES20Canvas_createLayer(JNIEnv* env, jobject clazz, 469 jint width, jint height, jboolean isOpaque, jintArray layerInfo) { 470 Layer* layer = LayerRenderer::createLayer(width, height, isOpaque); 471 472 if (layer) { 473 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 474 storage[0] = layer->width; 475 storage[1] = layer->height; 476 env->ReleaseIntArrayElements(layerInfo, storage, 0); 477 } 478 479 return layer; 480} 481 482static void android_view_GLES20Canvas_resizeLayer(JNIEnv* env, jobject clazz, 483 Layer* layer, jint width, jint height, jintArray layerInfo) { 484 LayerRenderer::resizeLayer(layer, width, height); 485 486 jint* storage = env->GetIntArrayElements(layerInfo, NULL); 487 storage[0] = layer->width; 488 storage[1] = layer->height; 489 env->ReleaseIntArrayElements(layerInfo, storage, 0); 490} 491 492static void android_view_GLES20Canvas_destroyLayer(JNIEnv* env, jobject clazz, Layer* layer) { 493 LayerRenderer::destroyLayer(layer); 494} 495 496static void android_view_GLES20Canvas_destroyLayerDeferred(JNIEnv* env, 497 jobject clazz, Layer* layer) { 498 LayerRenderer::destroyLayerDeferred(layer); 499} 500 501static void android_view_GLES20Canvas_drawLayer(JNIEnv* env, jobject canvas, 502 OpenGLRenderer* renderer, Layer* layer, jfloat x, jfloat y, SkPaint* paint) { 503 renderer->drawLayer(layer, x, y, paint); 504} 505 506#endif // USE_OPENGL_RENDERER 507 508// ---------------------------------------------------------------------------- 509// Common 510// ---------------------------------------------------------------------------- 511 512static jboolean android_view_GLES20Canvas_isAvailable(JNIEnv* env, jobject clazz) { 513#ifdef USE_OPENGL_RENDERER 514 return JNI_TRUE; 515#else 516 return JNI_FALSE; 517#endif 518} 519 520// ---------------------------------------------------------------------------- 521// JNI Glue 522// ---------------------------------------------------------------------------- 523 524const char* const kClassPathName = "android/view/GLES20Canvas"; 525 526static JNINativeMethod gMethods[] = { 527 { "nIsAvailable", "()Z", (void*) android_view_GLES20Canvas_isAvailable }, 528 529#ifdef USE_OPENGL_RENDERER 530 { "nCreateRenderer", "()I", (void*) android_view_GLES20Canvas_createRenderer }, 531 { "nDestroyRenderer", "(I)V", (void*) android_view_GLES20Canvas_destroyRenderer }, 532 { "nSetViewport", "(III)V", (void*) android_view_GLES20Canvas_setViewport }, 533 { "nPrepare", "(IZ)V", (void*) android_view_GLES20Canvas_prepare }, 534 { "nFinish", "(I)V", (void*) android_view_GLES20Canvas_finish }, 535 { "nAcquireContext", "(I)V", (void*) android_view_GLES20Canvas_acquireContext }, 536 { "nReleaseContext", "(I)V", (void*) android_view_GLES20Canvas_releaseContext }, 537 538 { "nSave", "(II)I", (void*) android_view_GLES20Canvas_save }, 539 { "nRestore", "(I)V", (void*) android_view_GLES20Canvas_restore }, 540 { "nRestoreToCount", "(II)V", (void*) android_view_GLES20Canvas_restoreToCount }, 541 { "nGetSaveCount", "(I)I", (void*) android_view_GLES20Canvas_getSaveCount }, 542 543 { "nSaveLayer", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayer }, 544 { "nSaveLayerAlpha", "(IFFFFII)I", (void*) android_view_GLES20Canvas_saveLayerAlpha }, 545 546 { "nQuickReject", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_quickReject }, 547 { "nClipRect", "(IFFFFI)Z", (void*) android_view_GLES20Canvas_clipRectF }, 548 { "nClipRect", "(IIIIII)Z", (void*) android_view_GLES20Canvas_clipRect }, 549 550 { "nTranslate", "(IFF)V", (void*) android_view_GLES20Canvas_translate }, 551 { "nRotate", "(IF)V", (void*) android_view_GLES20Canvas_rotate }, 552 { "nScale", "(IFF)V", (void*) android_view_GLES20Canvas_scale }, 553 554 { "nSetMatrix", "(II)V", (void*) android_view_GLES20Canvas_setMatrix }, 555 { "nGetMatrix", "(I)I", (void*) android_view_GLES20Canvas_getNativeMatrix }, 556 { "nGetMatrix", "(II)V", (void*) android_view_GLES20Canvas_getMatrix }, 557 { "nConcatMatrix", "(II)V", (void*) android_view_GLES20Canvas_concatMatrix }, 558 559 { "nDrawBitmap", "(II[BFFI)V", (void*) android_view_GLES20Canvas_drawBitmap }, 560 { "nDrawBitmap", "(II[BFFFFFFFFI)V", (void*) android_view_GLES20Canvas_drawBitmapRect }, 561 { "nDrawBitmap", "(II[BII)V", (void*) android_view_GLES20Canvas_drawBitmapMatrix }, 562 { "nDrawPatch", "(II[B[BFFFFI)V", (void*) android_view_GLES20Canvas_drawPatch }, 563 564 { "nDrawColor", "(III)V", (void*) android_view_GLES20Canvas_drawColor }, 565 { "nDrawRect", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawRect }, 566 { "nDrawRects", "(III)V", (void*) android_view_GLES20Canvas_drawRects }, 567 { "nDrawPath", "(III)V", (void*) android_view_GLES20Canvas_drawPath }, 568 { "nDrawLines", "(I[FIII)V", (void*) android_view_GLES20Canvas_drawLines }, 569 570 { "nResetModifiers", "(I)V", (void*) android_view_GLES20Canvas_resetModifiers }, 571 { "nSetupShader", "(II)V", (void*) android_view_GLES20Canvas_setupShader }, 572 { "nSetupColorFilter", "(II)V", (void*) android_view_GLES20Canvas_setupColorFilter }, 573 { "nSetupShadow", "(IFFFI)V", (void*) android_view_GLES20Canvas_setupShadow }, 574 575 { "nDrawText", "(I[CIIFFII)V", (void*) android_view_GLES20Canvas_drawTextArray }, 576 { "nDrawText", "(ILjava/lang/String;IIFFII)V", 577 (void*) android_view_GLES20Canvas_drawText }, 578 579 { "nDrawTextRun", "(I[CIIIIFFII)V", (void*) android_view_GLES20Canvas_drawTextRunArray }, 580 { "nDrawTextRun", "(ILjava/lang/String;IIIIFFII)V", 581 (void*) android_view_GLES20Canvas_drawTextRun }, 582 583 { "nGetClipBounds", "(ILandroid/graphics/Rect;)Z", 584 (void*) android_view_GLES20Canvas_getClipBounds }, 585 586 { "nGetDisplayList", "(I)I", (void*) android_view_GLES20Canvas_getDisplayList }, 587 { "nDestroyDisplayList", "(I)V", (void*) android_view_GLES20Canvas_destroyDisplayList }, 588 { "nGetDisplayListRenderer", "(I)I", (void*) android_view_GLES20Canvas_getDisplayListRenderer }, 589 { "nDrawDisplayList", "(II)V", (void*) android_view_GLES20Canvas_drawDisplayList }, 590 591 { "nInterrupt", "(I)V", (void*) android_view_GLES20Canvas_interrupt }, 592 { "nResume", "(I)V", (void*) android_view_GLES20Canvas_resume }, 593 594 { "nCreateLayerRenderer", "(I)I", (void*) android_view_GLES20Canvas_createLayerRenderer }, 595 { "nCreateLayer", "(IIZ[I)I", (void*) android_view_GLES20Canvas_createLayer }, 596 { "nResizeLayer", "(III[I)V" , (void*) android_view_GLES20Canvas_resizeLayer }, 597 { "nDestroyLayer", "(I)V", (void*) android_view_GLES20Canvas_destroyLayer }, 598 { "nDestroyLayerDeferred", "(I)V", (void*) android_view_GLES20Canvas_destroyLayerDeferred }, 599 { "nDrawLayer", "(IIFFI)V", (void*) android_view_GLES20Canvas_drawLayer }, 600 601#endif 602}; 603 604#ifdef USE_OPENGL_RENDERER 605 #define FIND_CLASS(var, className) \ 606 var = env->FindClass(className); \ 607 LOG_FATAL_IF(! var, "Unable to find class " className); \ 608 var = jclass(env->NewGlobalRef(var)); 609 610 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) \ 611 var = env->GetMethodID(clazz, methodName, methodDescriptor); \ 612 LOG_FATAL_IF(! var, "Unable to find method " methodName); 613#else 614 #define FIND_CLASS(var, className) 615 #define GET_METHOD_ID(var, clazz, methodName, methodDescriptor) 616#endif 617 618int register_android_view_GLES20Canvas(JNIEnv* env) { 619 FIND_CLASS(gRectClassInfo.clazz, "android/graphics/Rect"); 620 GET_METHOD_ID(gRectClassInfo.set, gRectClassInfo.clazz, "set", "(IIII)V"); 621 622 return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)); 623} 624 625}; 626